Validation of Self Assessment Patient Knowledge Questionnaire for Heart Failure Patients
Key result
Patients managed in a heart failure clinic demonstrated significantly higher disease knowledge scores compared to those receiving usual care (7.9 vs. 5.7; p<0.001).
Why the study?
Is the 10-item Patient knowledge questionnaire a valid and reliable tool to measure knowledge in heart failure patients?
Population
82 heart failure patients (42 from Heart failure clinic and 40 receiving usual care)
Comparison
10-item Patient knowledge questionnaire vs Usual care vs Heart failure clinic
Design
Cross-sectional
Authors
Discussion
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Member takes
Implication
HF clinic care associates with higher knowledge; hypothesis-generating for education benefits, RCTs needed to assess outcomes.
Key Points
- This study aims to validate a 10-item questionnaire assessing knowledge in heart failure patients.
- Administered to 42 heart failure patients from a clinic and 40 receiving usual care.
- Evaluated construct validity, internal consistency, reproducibility, and reliability using various statistical methods.
- Utilized Pearson correlation coefficient, Cronbach alpha, and Wilcoxon signed rank test for analysis.
- Strongest correlation for regular weighing (r=0.69), weakest for presence of heart disease (r=0.33).
- Cronbach alpha of 0.74, potentially improving by adjusting specific questions.
- Heart failure clinic patients scored significantly better (7.9 vs. 5.7, p<0.001).
Study Design
Type
Cross-Sectional (n=82)
Structured PICO
Is the 10-item Patient knowledge questionnaire a valid and reliable tool to measure knowledge in heart failure patients?
P
Population
82 heart failure patients, comprising 42 from a specialized clinic and 40 receiving usual care, evaluated using a 10-item knowledge questionnaire.
E
Exposure
10-item Patient knowledge questionnaire
C
Comparator
Usual care vs Heart failure clinic (for reliability testing)
O
Outcome
Construct validity, internal consistency, reproducibility, and reliability of the questionnairepatient reported
Main Result
Absolute Event Rate: 7.9% vs 5.7%
p-value: p=<0.001
The 10-item Patient knowledge questionnaire is a valid and reliable tool for assessing disease-specific knowledge in heart failure patients.
Cite This Study
Lainščak et al. (2005) conducted a cross-sectional in Heart failure (n=82). Heart failure clinic care vs. Usual care was evaluated on Overall score on the Patient knowledge questionnaire (p=<0.001). Patients managed in a heart failure clinic demonstrated significantly higher disease knowledge scores compared to those receiving usual care (7.9 vs. 5.7; p<0.001).